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Business Details
19 Years
experience
Trusted Architects in Geneva, IL Specializing in Sustainable Design
Allen Pepa Architects is a full-service architecture firm based in Geneva, Illinois, specializing in historic preservation, sustainable design, and innovative urban development. With a combined experience spanning decades, our team merges traditional craftsmanship with cutting-edge technology, including 100% Building Information Modeling (BIM) and 3D rendering, to deliver precise, client-focused solutions. We prioritize direct collaboration with principals, ensuring seamless communication between clients, contractors, and regulatory bodies.

Our expertise in adaptive reuse, LEED-certified projects, and energy-efficient design has earned recognition through multiple regional awards. We serve clients across the Midwest, with a particular focus on the Fox River Valley and Kane County communities, offering tailored architectural services that balance functionality, aesthetics, and environmental responsibility.
Services
Commercial Architecture Historic Preservation Sustainable Design Construction Management BIM Modeling Energy Auditing Adaptive Reuse Municipal Planning 3D Rendering LEED Certification
Details
  • Year established: 2007
Highlights and features
  • We offer direct collaboration with principal architects for personalized service.
  • Our team utilizes 100% BIM modeling for precise, efficient project execution.
  • Specialized expertise in LEED-certified and historic preservation projects.
  • Decades of experience serving Midwest communities with local market knowledge.
  • Award-winning designs recognized by regional and national architectural organizations.
Associations and certifications
  • LEED-AP
  • AIA (American Institute of Architects)
Services
Historic Preservation
Specializing in preserving architectural heritage, we restore historic buildings while integrating modern functionality. Our team combines traditional craftsmanship with advanced 3D scanning and BIM technology to ensure structural integrity and historical accuracy. Clients benefit from our deep local knowledge and award-winning expertise in adaptive reuse projects.
Sustainable Design
We create energy-efficient buildings certified under LEED and Enterprise Green standards. Our approach includes thermal imaging analysis, energy modeling, and material selection to reduce environmental impact. Clients receive innovative solutions that lower operational costs while meeting rigorous sustainability benchmarks through proven conservation strategies.
BIM Modeling
Using 100% Building Information Modeling (Revit), we produce detailed virtual prototypes for accurate cost estimation and conflict resolution. This technology enhances collaboration between stakeholders and reduces construction errors. Clients gain real-time visualization tools and automated documentation for streamlined project delivery.
Construction Management
We provide end-to-end construction administration services, including shop drawing reviews, site observations, and payment application evaluations. Our risk management approach ensures projects stay on budget and meet quality standards. Clients receive transparent communication and detailed punch-list management for successful project completion.
Energy Auditing
Through thermal imaging, utility analysis, and HVAC evaluations, we identify energy savings opportunities for commercial buildings. Our reports include actionable recommendations for improving efficiency and occupant comfort. Clients benefit from reduced utility costs and enhanced building performance backed by data-driven insights.
People
Eric Pepa
Principal Architect
Licensed architect with expertise in historic preservation and urban design. Co-founder of Allen Pepa Architects, bringing decades of experience in revitalizing traditional downtowns while maintaining membership in the American Institute of Architects.
Lane Allen
Principal Architect
LEED-certified architect specializing in sustainable design and municipal projects. Co-founder with extensive local knowledge of Kane County regulations and award-winning experience in adaptive reuse and energy-efficient building systems.
Yuge Liu
Senior Architectural Associate
Senior associate with advanced skills in BIM modeling and construction documentation. Provides technical expertise for complex projects requiring precise coordination between architectural and engineering systems.
Questions
What architectural services do you specialize in?
We specialize in historic preservation, sustainable design, BIM modeling, construction management, and LEED-certified projects for commercial, residential, and municipal clients.
How do you approach project budgeting?
We define budgets through phased estimating with contingencies decreasing as projects progress, from 25% in schematic design to 10% at bidding, ensuring cost control throughout development.
Can you work on historic buildings outside Illinois?
While based in Illinois, we've completed projects across the Midwest and have experience navigating diverse regional building codes and historic preservation requirements.
What technology do you use for design?
We utilize 100% Building Information Modeling (Revit) and Matterport 3D scanning for accurate virtual prototypes, enabling real-time design adjustments and improved client visualization.
How do you ensure construction quality?
Our construction administration includes shop drawing reviews, field observations, and payment application evaluations to maintain quality standards and resolve issues proactively.